PDB Entry (3prk)
PDB ID: 3prk Resolution: 2.2 Å Exp. Method: X-RAY DIFFRACTION
PMID: 1894649 DOI: -
Protein
Protein Name: Proteinase K
Uniprot ID/ACC: P06873 (PRTK_PARAQ) Organism: Parengyodontium album (Tritirachium album)
Gene Symbol: PROK Gene ID: -
Protein Class: HYDROLASE
Ligand
Ligand Name:   methoxysuccinyl-alanyl-alanyl-prolyl-alanine chloromethyl ketone
Canonical SMILES:   COC(=O)CCC(=O)N[C@@H](C)C(=O)N[C@@H](C)C(=O)N1CCC[C@H]1C(=O)N[C@@H](C)C(=O)CCl
Standard InChI:   InChI=1S/C20H31ClN4O7/c1-11(15(26)10-21)23-19(30)14-6-5-9-25(14)20(31)13(3)24-18(29)12(2)22-16(27)7-8-17(28)32-4/h11-14H,5-10H2,1-4H3,(H,22,27)(H,23,30)(H,24,29)/t11-,12-,13-,14-/m0/s1
HET Code:   MSU PubChem:   10390162
DrugBank:   - ChEMBL:   CHEMBL3219678
Molecular Formula:   C20H31ClN4O7 Mol. Weight:   474.18814 logP:   -0.7474
HBD:   3 HBA:   7
#Rotatable Bonds:   11 TPSA:   150.98
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Composite Reaction HIS 69 E 22.51 6.49 Halomethyl Carbonyl
Composite Reaction SER 224 E 5.2 - Halomethyl Carbonyl
Binding Affinity
-